Merge branch 'master' of https://gitea.thebrokenrail.com/minecraft-pi-reborn/symbol-processor
This commit is contained in:
Bigjango13
commit
cd20feda59
@ -33,7 +33,6 @@ export function parseTypeAndName(piece: string) {
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// Return
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return {type, name};
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}
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export const MIN_SIZE = 1;
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export function toUpperSnakeCase(str: string) {
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let wasUpper = false;
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let nextIsUpper = false;
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@ -66,20 +65,13 @@ export const COMMENT = '//';
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export function toHex(x: number) {
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return '0x' + x.toString(16);
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}
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export function getAssertFunction() {
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return 'static_assert';
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}
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export function assertSize(name: string, size: number, isDefined: boolean) {
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export function assertSize(name: string, size: number) {
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let out = '';
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// Define Size Macro
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const macro = toUpperSnakeCase(name) + '_SIZE';
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out += `#define ${macro} ${toHex(size)}\n`;
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// Check Size
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out += `${getAssertFunction()}(sizeof(${name}) == ${macro}, "Invalid Size");\n`;
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// Hide Structure Size If The Real Size Is Unknown
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if (!isDefined) {
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out += `#undef ${macro}\n`;
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}
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out += `static_assert(sizeof(${name}) == ${macro}, "Invalid Size");\n`;
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// Return
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return out;
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}
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@ -90,80 +82,9 @@ export function safeParseInt(str: string) {
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}
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return x;
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}
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export function stripArrayData(propertyName: string) {
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const index = propertyName.indexOf('[');
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if (index !== -1) {
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propertyName = propertyName.substring(0, index);
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}
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return propertyName;
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}
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export function getSizeMultiplierFromArrayData(propertyName: string) {
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let multiplier = 1;
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// Check If Array Data Is Present
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const index = propertyName.indexOf('[');
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if (index === -1) {
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return multiplier;
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}
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propertyName = propertyName.substring(index + 1);
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// Strip Last ]
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if (!propertyName.endsWith(']')) {
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syntaxError('Expecting ]');
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} else {
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propertyName = propertyName.substring(0, propertyName.length - 1);
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}
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// Split
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const parts = propertyName.split('][');
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// Calculate Multiplier
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for (const part of parts) {
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multiplier *= safeParseInt(part);
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}
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// Return
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return multiplier;
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}
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export function getSelfArg(type: string) {
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return `${type} *self`;
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}
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export class Size {
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#size: number | null;
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#isExact: boolean;
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readonly #pointerAligned: boolean;
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constructor(pointerAligned: boolean) {
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this.#size = null;
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this.#isExact = false;
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this.#pointerAligned = pointerAligned;
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}
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has() {
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return this.#size !== null;
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}
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get() {
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if (this.#size === null) {
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throw new Error('No Size Specified');
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}
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return this.#size;
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}
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set(size: number, isExact: boolean) {
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if (size < MIN_SIZE) {
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throw new Error(`Size Too Small: ${toHex(size)}`);
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}
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if (this.#isExact) {
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throw new Error('Cannot Change Size After Being Set By Base Structure');
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}
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if (this.#size !== null && size < this.#size) {
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throw new Error('Cannot Decrease VTable Size');
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}
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this.#size = size;
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this.#isExact = isExact;
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if (this.#pointerAligned && (this.#size % POINTER_SIZE) !== 0) {
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throw new Error(`Invalid Size: ${toHex(this.#size)}`);
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}
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}
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// Whether This Is An Exact Limit Or Just A Lower Bound
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isExact() {
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return this.#isExact;
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}
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}
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export function getArgNames(args: string) {
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// Remove Parentheses
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args = args.substring(1, args.length - 1);
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@ -191,3 +112,12 @@ export function prependArg(args: string, arg: string) {
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}
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return '(' + arg + args.substring(1);
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}
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export function removeFirstArg(args: string) {
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let index = args.indexOf(',');
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if (index === -1) {
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index = args.indexOf(')');
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} else {
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index++;
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}
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return '(' + args.substring(index).trim();
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}
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15
src/index.ts
15
src/index.ts
@ -164,12 +164,11 @@ function makeMainHeader(output: string) {
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result += '#include <map>\n';
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result += '\n// Warnings\n';
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result += '#pragma GCC diagnostic push\n';
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result += '#pragma GCC diagnostic ignored "-Winvalid-offsetof"\n\n';
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result += '#pragma GCC diagnostic ignored "-Winvalid-offsetof"\n';
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result += '#pragma GCC diagnostic ignored "-Wshadow"\n\n';
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result += makeHeaderPart();
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result += '\n// Cleanup Warnings\n';
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result += '#pragma GCC diagnostic pop\n';
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result += '\n// Array Of All Method Symbols\n';
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result += 'extern void *_all_method_symbols[];\n';
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fs.writeFileSync(output, result);
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}
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makeMainHeader(headerOutput);
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@ -212,16 +211,6 @@ function makeCompiledCode(output: string) {
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result += init;
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result += '}\n\n';
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result += declarations;
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result += '\n// Setup Methods Array\n';
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result += 'void *_all_method_symbols[] = {\n';
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for (const structure of structureObjects) {
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const methods = structure.getMethodSymbols();
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for (const method of methods) {
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result += `${INDENT}&${method},\n`;
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}
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}
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result += `${INDENT}nullptr\n`;
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result += '};\n';
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fs.writeFileSync(output, result);
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}
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makeCompiledCode(sourceOutput);
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@ -1,6 +1,6 @@
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import { COMMENT, EXTENSION, getSelfArg, parseTypeAndName, prependArg, readDefinition, safeParseInt, syntaxError } from './common';
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import { Method } from './method';
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import { SimpleProperty, StaticProperty } from './property';
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import { Property, StaticProperty } from './property';
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import { Struct } from './struct';
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// Error Handling
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@ -47,7 +47,7 @@ function parseMethod(args: string, self: string, insertSelfArg: boolean, isInher
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methodArgs = prependArg(methodArgs, selfArg);
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}
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const address = safeParseInt(end[1]!);
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return new Method(self, name, type, methodArgs, address, isInherited);
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return new Method(self, name, type, methodArgs, address, isInherited, !insertSelfArg);
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}
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// Load Structure
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@ -108,12 +108,16 @@ export function load(target: Struct, name: string, isExtended: boolean) {
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}
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case 'size': {
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// Set Size
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target.setSize(safeParseInt(args), !isExtended);
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if (!isExtended) {
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target.setSize(safeParseInt(args));
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}
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break;
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}
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case 'vtable-size': {
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// Set VTable Size
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target.setVTableSize(safeParseInt(args), !isExtended);
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if (!isExtended) {
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target.setVTableSize(safeParseInt(args));
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}
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break;
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}
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case 'vtable': {
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@ -127,28 +131,20 @@ export function load(target: Struct, name: string, isExtended: boolean) {
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case 'property': {
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// Add Property
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const info = parseProperty(args);
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target.addProperty(new SimpleProperty(info.offset, info.type, info.name));
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target.addProperty(new Property(info.offset, info.type, info.name, target.getName()));
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break;
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}
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case 'static-property': {
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// Add Static Property
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if (!isExtended) {
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const info = parseProperty(args);
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target.addStaticProperty(new StaticProperty(info.offset, info.type, info.name, target.getName(), false));
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}
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break;
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}
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case 'static-property-array': {
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// Add Static Array Property
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if (!isExtended) {
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const info = parseProperty(args);
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target.addStaticProperty(new StaticProperty(info.offset, info.type, info.name, target.getName(), true));
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target.addStaticProperty(new StaticProperty(info.offset, info.type, info.name, target.getName()));
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}
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break;
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}
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case 'method': {
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// Add Method
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const method = parseMethod(args, target.getName(), true, isExtended);
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const method = parseMethod(args, name, true, isExtended);
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target.addMethod(method, false);
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break;
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}
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@ -7,15 +7,19 @@ export class Method {
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readonly args: string;
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readonly address: number;
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readonly isInherited: boolean;
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readonly hasVarargs: boolean;
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readonly isStatic: boolean;
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// Constructor
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constructor(self: string, name: string, returnType: string, args: string, address: number, isInherited: boolean) {
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constructor(self: string, name: string, returnType: string, args: string, address: number, isInherited: boolean, isStatic: boolean) {
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this.self = self;
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this.shortName = name;
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this.returnType = returnType;
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this.args = args;
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this.address = address;
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this.isInherited = isInherited;
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this.hasVarargs = this.args.includes('...');
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this.isStatic = isStatic;
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}
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// Get Type
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@ -38,9 +42,9 @@ export class Method {
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out += `typedef ${returnType}(*${this.getType()})${this.args};\n`;
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// Fancy Overwrite Does Not Support Varargs
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if (!this.args.includes('...')) {
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if (!this.hasVarargs) {
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// Overwrite Helper
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out += `#define _overwrite_helper_for_${this.getName()}(method, original) \\\n`;
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out += `#define __overwrite_helper_for_${this.getName()}(method, original) \\\n`;
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out += `${INDENT}[]${this.args} { \\\n`;
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out += `${INDENT}${INDENT}${returnType.trim() === 'void' ? '' : 'return '}method(${['original'].concat(getArgNames(this.args)).join(', ')}); \\\n`;
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out += `${INDENT}}\n`;
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@ -57,7 +61,7 @@ export class Method {
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// Generate "New Method" Test
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generateNewMethodTest(parent: string | null, prefix: string, suffix: string) {
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let out = `#define _is_new_method_${this.getName()}() (`;
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let out = `#define __is_new_method_${this.getName()}() (`;
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if (!this.isInherited) {
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out += 'true';
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} else {
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174
src/property.ts
174
src/property.ts
@ -1,156 +1,60 @@
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import { POINTER_SIZE, getSizeMultiplierFromArrayData } from './common';
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import { getStructure } from './map';
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import { formatType } from './common';
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export interface Property {
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propertyOffset(): number;
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propertySize(): number;
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propertyType(): string;
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propertyName(): string;
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propertyAlignment(): number;
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}
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export class SimpleProperty implements Property {
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readonly #offset: number;
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readonly #type: string;
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readonly #name: string;
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readonly #arraySizeMultiplier: number;
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// Constructor
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constructor(offset: number, type: string, name: string) {
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this.#offset = offset;
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this.#type = type;
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this.#name = name;
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this.#arraySizeMultiplier = getSizeMultiplierFromArrayData(this.#name);
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}
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// Getters
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propertyOffset() {
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return this.#offset;
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}
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propertyType() {
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return this.#type;
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}
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propertyName() {
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return this.#name;
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||||
}
|
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// Size
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#rawPropertySize() {
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if (this.#type.endsWith('*')) {
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// Pointer
|
||||
return POINTER_SIZE;
|
||||
} else if (this.#type === 'int' || this.#type === 'uint') {
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// Integer
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return 4;
|
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} else if (this.#type === 'float') {
|
||||
// Float
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||||
return 4;
|
||||
} else if (this.#type === 'bool') {
|
||||
// Boolean
|
||||
return 1;
|
||||
} else if (this.#type === 'std::string') {
|
||||
// C++ String
|
||||
return 4;
|
||||
} else if (this.#type === 'char' || this.#type === 'uchar') {
|
||||
// Character
|
||||
return 1;
|
||||
} else if (this.#type === 'short' || this.#type === 'ushort') {
|
||||
// Short
|
||||
return 2;
|
||||
} else if (this.#type.startsWith('std::vector<')) {
|
||||
// C++ Vector
|
||||
return 12;
|
||||
} else if (this.#type.startsWith('std::map<')) {
|
||||
// C++ Map
|
||||
return 24;
|
||||
} else {
|
||||
// Structure
|
||||
const structure = getStructure(this.#type);
|
||||
return structure.getSize(true);
|
||||
}
|
||||
}
|
||||
propertySize() {
|
||||
return this.#arraySizeMultiplier * this.#rawPropertySize();
|
||||
}
|
||||
|
||||
// Alignment
|
||||
propertyAlignment() {
|
||||
if (this.#type.endsWith('*')) {
|
||||
// Pointer
|
||||
return POINTER_SIZE;
|
||||
} else if (this.#type === 'int' || this.#type === 'uint') {
|
||||
// Integer
|
||||
return 4;
|
||||
} else if (this.#type === 'float') {
|
||||
// Float
|
||||
return 4;
|
||||
} else if (this.#type === 'bool') {
|
||||
// Boolean
|
||||
return 1;
|
||||
} else if (this.#type === 'std::string') {
|
||||
// C++ String
|
||||
return 4;
|
||||
} else if (this.#type === 'char' || this.#type === 'uchar') {
|
||||
// Character
|
||||
return 1;
|
||||
} else if (this.#type === 'short' || this.#type === 'ushort') {
|
||||
// Short
|
||||
return 2;
|
||||
} else if (this.#type.startsWith('std::vector<')) {
|
||||
// C++ Vector
|
||||
return 4;
|
||||
} else if (this.#type.startsWith('std::map<')) {
|
||||
// C++ Map
|
||||
return 4;
|
||||
} else {
|
||||
// Structure
|
||||
const structure = getStructure(this.#type);
|
||||
return structure.getAlignment();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export class StaticProperty {
|
||||
readonly address: number;
|
||||
export class Property {
|
||||
readonly offset: number;
|
||||
readonly #type: string;
|
||||
readonly #name: string;
|
||||
readonly #self: string;
|
||||
readonly #isArray: boolean;
|
||||
|
||||
// Constructor
|
||||
constructor(address: number, type: string, name: string, self: string, isArray: boolean) {
|
||||
if (name.includes('[')) {
|
||||
throw new Error('Use "static-property-array" For Arrays');
|
||||
}
|
||||
this.address = address;
|
||||
constructor(offset: number, type: string, name: string, self: string) {
|
||||
this.offset = offset;
|
||||
this.#type = type;
|
||||
this.#name = name;
|
||||
this.#self = self;
|
||||
this.#isArray = isArray;
|
||||
}
|
||||
|
||||
// Name And Type
|
||||
getName() {
|
||||
return `${this.#self}_${this.#name}`;
|
||||
// Getters
|
||||
type() {
|
||||
return `__type_${this.fullName()}`;
|
||||
}
|
||||
getPointerType() {
|
||||
let type = this.#type;
|
||||
// Convert Type To Pointer
|
||||
if (!type.endsWith('*')) {
|
||||
type += ' ';
|
||||
typedef() {
|
||||
let arrayInfo = '';
|
||||
const arrayInfoIndex = this.#name.indexOf('[');
|
||||
if (arrayInfoIndex !== -1) {
|
||||
arrayInfo = this.#name.substring(arrayInfoIndex);
|
||||
}
|
||||
type += '*';
|
||||
// Return
|
||||
return type;
|
||||
return `typedef ${formatType(this.#type)}${this.type()}${arrayInfo};\n`;
|
||||
}
|
||||
name() {
|
||||
let name = this.#name;
|
||||
const arrayInfoIndex = this.#name.indexOf('[');
|
||||
if (arrayInfoIndex !== -1) {
|
||||
name = name.substring(0, arrayInfoIndex);
|
||||
}
|
||||
return name;
|
||||
}
|
||||
fullName() {
|
||||
return `${this.#self}_${this.name()}`;
|
||||
}
|
||||
rawType() {
|
||||
return this.#type;
|
||||
}
|
||||
}
|
||||
|
||||
export class StaticProperty extends Property {
|
||||
// Constructor
|
||||
constructor(address: number, type: string, name: string, self: string) {
|
||||
super(address, type, name, self);
|
||||
}
|
||||
|
||||
// Generate Variable Definition
|
||||
generateDefinition() {
|
||||
return `${this.getPointerType()}${this.getName()}_pointer;\n`;
|
||||
globalPointerDefinition() {
|
||||
return `${this.type()} *${this.fullName()}_pointer;\n`;
|
||||
}
|
||||
|
||||
// Generate Macro
|
||||
generateMacro() {
|
||||
return `#define ${this.getName()} (${this.#isArray ? '' : '*'}${this.getName()}_pointer)\n`;
|
||||
macro() {
|
||||
return `#define ${this.fullName()} (*${this.fullName()}_pointer)\n`;
|
||||
}
|
||||
}
|
||||
278
src/struct.ts
278
src/struct.ts
@ -1,4 +1,4 @@
|
||||
import { INDENT, MIN_SIZE, formatType, STRUCTURE_FILES, toHex, getAssertFunction, assertSize, stripArrayData, Size } from './common';
|
||||
import { INDENT, STRUCTURE_FILES, toHex, assertSize, formatType, getArgNames, removeFirstArg } from './common';
|
||||
import { Method } from './method';
|
||||
import { Property, StaticProperty } from './property';
|
||||
import { VTable } from './vtable';
|
||||
@ -8,11 +8,10 @@ export class Struct {
|
||||
#vtable: VTable | null;
|
||||
readonly #methods: Method[];
|
||||
readonly #properties: Property[];
|
||||
readonly #size: Size;
|
||||
#size: number | null;
|
||||
readonly #dependencies: string[];
|
||||
readonly #staticProperties: StaticProperty[];
|
||||
#directParent: string | null;
|
||||
#vtableDestructorOffset: number;
|
||||
|
||||
// Constructor
|
||||
constructor(name: string) {
|
||||
@ -20,11 +19,10 @@ export class Struct {
|
||||
this.#methods = [];
|
||||
this.#properties = [];
|
||||
this.#vtable = null;
|
||||
this.#size = new Size(false);
|
||||
this.#size = null;
|
||||
this.#dependencies = [];
|
||||
this.#staticProperties = [];
|
||||
this.#directParent = null;
|
||||
this.#vtableDestructorOffset = 0;
|
||||
}
|
||||
|
||||
// Dependencies
|
||||
@ -38,82 +36,41 @@ export class Struct {
|
||||
// Ensure VTable Exists
|
||||
ensureVTable() {
|
||||
if (this.#vtable === null) {
|
||||
this.#vtable = new VTable(this.#name, this.#vtableDestructorOffset);
|
||||
this.addProperty(this.#vtable);
|
||||
this.#vtable = new VTable(this.#name);
|
||||
this.addProperty(this.#vtable.property);
|
||||
}
|
||||
}
|
||||
|
||||
// Set VTable Destructor Offset
|
||||
setVTableDestructorOffset(offset: number) {
|
||||
if (this.#vtable) {
|
||||
throw new Error('VTable Already Created');
|
||||
}
|
||||
this.#vtableDestructorOffset = offset;
|
||||
this.ensureVTable();
|
||||
this.#vtable!.setDestructorOffset(offset);
|
||||
}
|
||||
|
||||
// Setters
|
||||
setSize(size: number, isExact: boolean) {
|
||||
this.#size.set(size, isExact);
|
||||
setSize(size: number) {
|
||||
this.#size = size;
|
||||
}
|
||||
// Getters
|
||||
#roundSize(size: number) {
|
||||
const alignment = this.getAlignment();
|
||||
return Math.ceil(size / alignment) * alignment;
|
||||
}
|
||||
#getRealSize() {
|
||||
// Get Size Computed Purely From Properties
|
||||
let size = MIN_SIZE;
|
||||
for (const property of this.#properties) {
|
||||
const newSize = property.propertyOffset() + property.propertySize();
|
||||
if (newSize > size) {
|
||||
size = newSize;
|
||||
}
|
||||
}
|
||||
return size;
|
||||
}
|
||||
getSize(round: boolean) {
|
||||
let size;
|
||||
if (this.#size.isExact()) {
|
||||
// Exact Size Is Specified
|
||||
size = this.#size.get();
|
||||
} else {
|
||||
// Specified Size Is A Lower Bound
|
||||
size = this.#getRealSize();
|
||||
if (this.#size.has()) {
|
||||
const specifiedSize = this.#size.get();
|
||||
if (specifiedSize > size) {
|
||||
size = specifiedSize;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (round) {
|
||||
size = this.#roundSize(size);
|
||||
}
|
||||
return size;
|
||||
}
|
||||
getName() {
|
||||
return this.#name;
|
||||
}
|
||||
getAlignment() {
|
||||
let alignment = 1;
|
||||
for (const property of this.#properties) {
|
||||
const x = property.propertyAlignment();
|
||||
if (x > alignment) {
|
||||
alignment = x;
|
||||
}
|
||||
}
|
||||
return alignment;
|
||||
}
|
||||
|
||||
// Add Method
|
||||
addMethod(method: Method, isVirtual: boolean) {
|
||||
if (method.returnType !== this.#name && method.returnType in STRUCTURE_FILES) {
|
||||
this.#addDependency(method.returnType);
|
||||
}
|
||||
if (isVirtual) {
|
||||
if (method.self !== this.#name) {
|
||||
throw new Error();
|
||||
}
|
||||
if (isVirtual) {
|
||||
this.ensureVTable();
|
||||
this.#vtable!.add(method);
|
||||
} else {
|
||||
if (method.isInherited) {
|
||||
this.#addDependency(method.self);
|
||||
}
|
||||
this.#methods.push(method);
|
||||
}
|
||||
}
|
||||
@ -121,7 +78,7 @@ export class Struct {
|
||||
addProperty(property: Property) {
|
||||
this.#properties.push(property);
|
||||
// Add Dependency If Needed
|
||||
const type = property.propertyType();
|
||||
const type = property.rawType();
|
||||
if (type in STRUCTURE_FILES) {
|
||||
this.#addDependency(type);
|
||||
}
|
||||
@ -132,138 +89,155 @@ export class Struct {
|
||||
}
|
||||
|
||||
// Configure VTable
|
||||
setVTableSize(size: number, isExact: boolean) {
|
||||
setVTableSize(size: number) {
|
||||
this.ensureVTable();
|
||||
this.#vtable!.setSize(size, isExact);
|
||||
this.#vtable!.setSize(size);
|
||||
}
|
||||
setVTableAddress(address: number) {
|
||||
this.ensureVTable();
|
||||
this.#vtable!.setAddress(address);
|
||||
}
|
||||
|
||||
// Check
|
||||
#check() {
|
||||
// Generate Properties
|
||||
#generateProperties() {
|
||||
// Sort Properties
|
||||
this.#properties.sort((a, b) => a.propertyOffset() - b.propertyOffset());
|
||||
const sortedProperties = [];
|
||||
sortedProperties.push(...this.#properties);
|
||||
sortedProperties.sort((a, b) => a.offset - b.offset);
|
||||
|
||||
// Check Size
|
||||
if (this.#size.isExact()) {
|
||||
const size = this.getSize(true);
|
||||
// Check Alignment
|
||||
const specifiedSize = this.#size.get()!;
|
||||
if (size !== specifiedSize) {
|
||||
throw new Error('Size Misaligned');
|
||||
}
|
||||
// Check If Size Is Too Small
|
||||
let realSize = this.#getRealSize();
|
||||
realSize = this.#roundSize(realSize);
|
||||
if (realSize > specifiedSize) {
|
||||
throw new Error(`Structure Size Too Small: ${toHex(specifiedSize)}`);
|
||||
}
|
||||
}
|
||||
// Fake Property To Pad Structure Size
|
||||
let sizeProperty = null;
|
||||
if (this.#size) {
|
||||
sizeProperty = new Property(this.#size, '', '', '');
|
||||
sortedProperties.push(sizeProperty);
|
||||
}
|
||||
|
||||
// Compute Padding Between Properties
|
||||
#computePadding(a: Property | null, b: Property | null) {
|
||||
// Null A = Start Of Structure
|
||||
// Null B = End Of Structure
|
||||
let neededPadding = 0;
|
||||
const size = this.getSize(true);
|
||||
if (a === null) {
|
||||
// Start Of Structure Padding
|
||||
if (b !== null) {
|
||||
neededPadding = b.propertyOffset();
|
||||
} else {
|
||||
// Both A And B Are Null
|
||||
neededPadding = size;
|
||||
// Add Properties
|
||||
let out = '';
|
||||
for (let i = 0; i < sortedProperties.length; i++) {
|
||||
const property = sortedProperties[i]!;
|
||||
const lastProperty = sortedProperties[i - 1];
|
||||
|
||||
// Padding
|
||||
let offsetFromLastProperty = property.offset;
|
||||
if (lastProperty) {
|
||||
offsetFromLastProperty -= lastProperty.offset;
|
||||
}
|
||||
} else if (b === null) {
|
||||
// End Of Structure Padding
|
||||
const realSize = this.#getRealSize();
|
||||
const realRoundedSize = this.#roundSize(realSize);
|
||||
if (realRoundedSize !== size) {
|
||||
neededPadding = size - realSize;
|
||||
let paddingSize = toHex(offsetFromLastProperty);
|
||||
if (lastProperty) {
|
||||
paddingSize += ` - sizeof(${lastProperty.type()})`;
|
||||
}
|
||||
} else {
|
||||
// Inner Structure Padding
|
||||
const realSizeSoFar = a.propertyOffset() + a.propertySize();
|
||||
neededPadding = b.propertyOffset() - realSizeSoFar;
|
||||
out += `${INDENT}uchar __padding${i}[${paddingSize}];\n`;
|
||||
|
||||
// The Actual Property
|
||||
if (property !== sizeProperty) {
|
||||
out += `${INDENT}${property.type()} ${property.name()};\n`;
|
||||
}
|
||||
if (neededPadding < 0) {
|
||||
throw new Error('Overlapping Properties Detected!');
|
||||
}
|
||||
return neededPadding;
|
||||
return out;
|
||||
}
|
||||
|
||||
// Generate C++ Method Shortcuts
|
||||
#generateMethods() {
|
||||
let out = '';
|
||||
// Normal Methods
|
||||
const getArgsOuter = (method: Method) => {
|
||||
let out = method.args;
|
||||
if (!method.isStatic) {
|
||||
// Remove "self"
|
||||
out = removeFirstArg(out);
|
||||
}
|
||||
return out;
|
||||
};
|
||||
const getArgsInner = (method: Method) => {
|
||||
const list = getArgNames(method.args);
|
||||
if (!method.isStatic) {
|
||||
// Replace "self" With "this"
|
||||
list[0] = `(${method.self} *) this`;
|
||||
}
|
||||
return list.join(', ');
|
||||
};
|
||||
for (const method of this.#methods) {
|
||||
if (!method.hasVarargs) {
|
||||
const returnType = method.returnType;
|
||||
const shortName = method.shortName;
|
||||
const fullName = method.getName();
|
||||
const args = getArgsOuter(method);
|
||||
out += `${INDENT}inline ${formatType(returnType)}${shortName}${args} { \\\n`;
|
||||
out += `${INDENT}${INDENT}${returnType.trim() === 'void' ? '' : 'return '}${fullName}(${getArgsInner(method)});\n`;
|
||||
out += `${INDENT}}\n`;
|
||||
}
|
||||
}
|
||||
// Virtual Methods
|
||||
if (this.#vtable !== null) {
|
||||
const virtualMethods = this.#vtable.getMethods();
|
||||
for (const method of virtualMethods) {
|
||||
if (method && !method.hasVarargs) {
|
||||
const returnType = method.returnType;
|
||||
const shortName = method.shortName;
|
||||
const args = getArgsOuter(method);
|
||||
out += `${INDENT}inline ${formatType(returnType)}${shortName}${args} { \\\n`;
|
||||
out += `${INDENT}${INDENT}${returnType.trim() === 'void' ? '' : 'return '}this->vtable->${shortName}(${getArgsInner(method)});\n`;
|
||||
out += `${INDENT}}\n`;
|
||||
}
|
||||
}
|
||||
}
|
||||
// Return
|
||||
return out;
|
||||
}
|
||||
|
||||
// Generate Header
|
||||
generate() {
|
||||
let out = '';
|
||||
|
||||
// Check
|
||||
this.#check();
|
||||
|
||||
// Static Properties
|
||||
for (const property of this.#staticProperties) {
|
||||
out += `extern ${property.generateDefinition()}`;
|
||||
out += property.generateMacro();
|
||||
out += property.typedef();
|
||||
out += `extern ${property.globalPointerDefinition()}`;
|
||||
out += property.macro();
|
||||
}
|
||||
|
||||
// Methods
|
||||
for (const method of this.#methods) {
|
||||
if (!method.isInherited) {
|
||||
out += method.generateTypedef();
|
||||
out += `extern ${method.generateDefinition()}`;
|
||||
out += `extern ${method.generateDefinition('_unedited')}`;
|
||||
out += method.generateNewMethodTest(this.#directParent, '', '');
|
||||
}
|
||||
}
|
||||
|
||||
// VTable
|
||||
if (this.#vtable !== null) {
|
||||
out += this.#vtable.generate(this.#directParent);
|
||||
}
|
||||
|
||||
// Property Typedefs
|
||||
for (const property of this.#properties) {
|
||||
out += property.typedef();
|
||||
}
|
||||
|
||||
// Structure
|
||||
out += `struct ${this.#name} {\n`;
|
||||
for (let i = 0; i <= this.#properties.length; i++) {
|
||||
const property = i < this.#properties.length ? this.#properties[i]! : null;
|
||||
|
||||
// Padding
|
||||
const lastProperty = (i >= 1 && (i - 1) < this.#properties.length) ? this.#properties[i - 1]! : null;
|
||||
const neededPadding = this.#computePadding(lastProperty, property);
|
||||
if (neededPadding > 0) {
|
||||
out += `${INDENT}uchar padding${i}[${neededPadding}];\n`;
|
||||
}
|
||||
|
||||
// Property
|
||||
if (property !== null) {
|
||||
// Check Offset
|
||||
const offset = property.propertyOffset();
|
||||
const alignment = property.propertyAlignment();
|
||||
if ((offset % alignment) !== 0) {
|
||||
throw new Error('Misaligned Property Offset');
|
||||
}
|
||||
// Add
|
||||
const type = formatType(property.propertyType());
|
||||
out += `${INDENT}${type}${property.propertyName()};\n`;
|
||||
}
|
||||
}
|
||||
out += this.#generateProperties();
|
||||
out += this.#generateMethods();
|
||||
out += `};\n`;
|
||||
|
||||
// Sanity Check Offsets
|
||||
const assertFunction = getAssertFunction();
|
||||
for (let i = 0; i < this.#properties.length; i++) {
|
||||
const property = this.#properties[i]!;
|
||||
const name = stripArrayData(property.propertyName());
|
||||
const offset = property.propertyOffset();
|
||||
out += `${assertFunction}(offsetof(${this.#name}, ${name}) == ${toHex(offset)}, "Invalid Offset");\n`;
|
||||
const name = property.name();
|
||||
const offset = property.offset;
|
||||
out += `static_assert(offsetof(${this.#name}, ${name}) == ${toHex(offset)}, "Invalid Offset");\n`;
|
||||
}
|
||||
|
||||
// Sanity Check Size
|
||||
const size = this.getSize(true);
|
||||
const isSizeDefined = this.#size.isExact();
|
||||
out += assertSize(this.#name, size, isSizeDefined);
|
||||
if (this.#size !== null) {
|
||||
out += assertSize(this.#name, this.#size);
|
||||
}
|
||||
|
||||
// Allocation Function
|
||||
if (isSizeDefined) {
|
||||
if (this.#size !== null) {
|
||||
out += `${this.#name} *alloc_${this.#name}();\n`;
|
||||
}
|
||||
|
||||
@ -276,22 +250,21 @@ export class Struct {
|
||||
let declarations = '';
|
||||
let init = '';
|
||||
|
||||
// Check
|
||||
this.#check();
|
||||
|
||||
// Static Properties
|
||||
for (const property of this.#staticProperties) {
|
||||
init += `${INDENT}${property.getName()}_pointer = (${property.getPointerType()}) ${toHex(property.address)};\n`;
|
||||
declarations += property.generateDefinition();
|
||||
init += `${INDENT}${property.fullName()}_pointer = (${property.type()} *) ${toHex(property.offset)};\n`;
|
||||
declarations += property.globalPointerDefinition();
|
||||
}
|
||||
|
||||
// Methods
|
||||
for (const method of this.#methods) {
|
||||
if (!method.isInherited) {
|
||||
init += `${INDENT}${method.getName()} = (${method.getType()}) ${toHex(method.address)};\n`;
|
||||
declarations += method.generateDefinition();
|
||||
init += `${INDENT}${method.getName()}_unedited = (${method.getType()}) ${toHex(method.address)};\n`;
|
||||
declarations += method.generateDefinition('_unedited');
|
||||
}
|
||||
}
|
||||
|
||||
// VTable
|
||||
if (this.#vtable !== null) {
|
||||
@ -301,7 +274,7 @@ export class Struct {
|
||||
}
|
||||
|
||||
// Allocation Function
|
||||
if (this.#size.isExact()) {
|
||||
if (this.#size !== null) {
|
||||
declarations += `${this.#name} *alloc_${this.#name}() {\n`;
|
||||
declarations += `${INDENT}return new ${this.#name};\n`;
|
||||
declarations += '}\n';
|
||||
@ -311,15 +284,6 @@ export class Struct {
|
||||
return {functions: declarations, init};
|
||||
}
|
||||
|
||||
// Get Method Symbols
|
||||
getMethodSymbols() {
|
||||
const ret = [];
|
||||
for (const method of this.#methods) {
|
||||
ret.push(method.getName());
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
// Set Direct Parent (Used For "New Method" Testing)
|
||||
setDirectParent(directParent: string) {
|
||||
this.#directParent = directParent;
|
||||
|
||||
109
src/vtable.ts
109
src/vtable.ts
@ -1,53 +1,39 @@
|
||||
import { INDENT, POINTER_SIZE, RTTI_SIZE, Size, assertSize, getSelfArg, toHex } from './common';
|
||||
import { INDENT, POINTER_SIZE, RTTI_SIZE, assertSize, getSelfArg, toHex } from './common';
|
||||
import { Method } from './method';
|
||||
import { Property } from './property';
|
||||
|
||||
export class VTable implements Property {
|
||||
readonly #name: string;
|
||||
export class VTable {
|
||||
readonly #self: string;
|
||||
#address: number | null;
|
||||
readonly #size: Size;
|
||||
#size: number | null;
|
||||
readonly #methods: Method[];
|
||||
readonly property: Property;
|
||||
#destructorOffset: number;
|
||||
|
||||
// Constructor
|
||||
constructor(name: string, destructorOffset: number) {
|
||||
this.#name = name;
|
||||
constructor(self: string) {
|
||||
this.#self = self;
|
||||
this.#address = null;
|
||||
this.#size = new Size(true);
|
||||
this.#size = null;
|
||||
this.#methods = [];
|
||||
// Add Destructors (https://stackoverflow.com/a/17960941)
|
||||
const destructor_return = `${name} *`;
|
||||
const destructor_args = `(${getSelfArg(name)})`;
|
||||
this.add(new Method(name, 'destructor_complete', destructor_return, destructor_args, 0x0 + destructorOffset, false));
|
||||
this.add(new Method(name, 'destructor_deleting', destructor_return, destructor_args, 0x4 + destructorOffset, false));
|
||||
}
|
||||
|
||||
// Property Information
|
||||
propertyOffset() {
|
||||
return 0;
|
||||
}
|
||||
propertySize() {
|
||||
return POINTER_SIZE;
|
||||
}
|
||||
propertyType() {
|
||||
return this.#getName() + ' *';
|
||||
}
|
||||
propertyName() {
|
||||
return 'vtable';
|
||||
}
|
||||
propertyAlignment() {
|
||||
return 4;
|
||||
this.#destructorOffset = 0;
|
||||
// Create Property
|
||||
this.property = new Property(0, this.#getName() + ' *', 'vtable', this.#self);
|
||||
}
|
||||
|
||||
// Setters
|
||||
setAddress(address: number) {
|
||||
this.#address = address;
|
||||
}
|
||||
setSize(size: number, isExact: boolean) {
|
||||
this.#size.set(size, isExact);
|
||||
setSize(size: number) {
|
||||
this.#size = size;
|
||||
}
|
||||
setDestructorOffset(destructorOffset: number) {
|
||||
this.#destructorOffset = destructorOffset;
|
||||
}
|
||||
|
||||
// Add To VTable
|
||||
add(method: Method) {
|
||||
#add(target: Method[], method: Method) {
|
||||
// Check Offset
|
||||
const offset = method.address;
|
||||
if ((offset % POINTER_SIZE) !== 0) {
|
||||
@ -55,24 +41,27 @@ export class VTable implements Property {
|
||||
}
|
||||
// Add
|
||||
const index = offset / POINTER_SIZE;
|
||||
if (this.#methods[index]) {
|
||||
if (target[index]) {
|
||||
throw new Error(`Duplicate Virtual Method At Offset: ${toHex(offset)}`);
|
||||
}
|
||||
this.#methods[index] = method;
|
||||
target[index] = method;
|
||||
}
|
||||
add(method: Method) {
|
||||
this.#add(this.#methods, method);
|
||||
}
|
||||
|
||||
// Get Structure Name
|
||||
#getName() {
|
||||
return this.#name + '_vtable';
|
||||
return this.#self + '_vtable';
|
||||
}
|
||||
|
||||
// Check
|
||||
#check() {
|
||||
// Check Size
|
||||
if (this.#size.has()) {
|
||||
const size = this.#size.get();
|
||||
if (this.#size !== null) {
|
||||
const size = this.#size;
|
||||
const maxMethodCount = size / POINTER_SIZE;
|
||||
if (this.#size.isExact() && maxMethodCount < this.#methods.length) {
|
||||
if (maxMethodCount < this.#methods.length) {
|
||||
throw new Error(`VTable Size Too Small: ${toHex(size)}`);
|
||||
}
|
||||
if (maxMethodCount > this.#methods.length) {
|
||||
@ -81,7 +70,21 @@ export class VTable implements Property {
|
||||
}
|
||||
}
|
||||
|
||||
// Generate Code
|
||||
// Get Full Methods Table
|
||||
getMethods() {
|
||||
// Copy Array
|
||||
const out = [];
|
||||
out.push(...this.#methods);
|
||||
// Add Destructors (https://stackoverflow.com/a/17960941)
|
||||
const destructor_return = `${this.#self} *`;
|
||||
const destructor_args = `(${getSelfArg(this.#self)})`;
|
||||
this.#add(out, new Method(this.#self, 'destructor_complete', destructor_return, destructor_args, 0x0 + this.#destructorOffset, false, false));
|
||||
this.#add(out, new Method(this.#self, 'destructor_deleting', destructor_return, destructor_args, 0x4 + this.#destructorOffset, false, false));
|
||||
// Return
|
||||
return out;
|
||||
}
|
||||
|
||||
// Generate Header Code
|
||||
generate(directParent: string | null) {
|
||||
let out = '';
|
||||
|
||||
@ -89,8 +92,9 @@ export class VTable implements Property {
|
||||
this.#check();
|
||||
|
||||
// Method Prototypes
|
||||
for (let i = 0; i < this.#methods.length; i++) {
|
||||
const info = this.#methods[i];
|
||||
const methods = this.getMethods();
|
||||
for (let i = 0; i < methods.length; i++) {
|
||||
const info = methods[i];
|
||||
if (info) {
|
||||
out += info.generateTypedef();
|
||||
}
|
||||
@ -99,10 +103,10 @@ export class VTable implements Property {
|
||||
// Structure
|
||||
out += `typedef struct ${this.#getName()} ${this.#getName()};\n`;
|
||||
out += `struct ${this.#getName()} {\n`;
|
||||
for (let i = 0; i < this.#methods.length; i++) {
|
||||
for (let i = 0; i < methods.length; i++) {
|
||||
let name = `unknown${i}`;
|
||||
let type = 'void *';
|
||||
const info = this.#methods[i];
|
||||
const info = methods[i];
|
||||
if (info) {
|
||||
name = info.shortName;
|
||||
type = info.getType() + ' ';
|
||||
@ -112,17 +116,17 @@ export class VTable implements Property {
|
||||
out += `};\n`;
|
||||
|
||||
// Sanity Check Size
|
||||
const isSizeDefined = this.#size.isExact();
|
||||
const size = isSizeDefined ? this.#size.get() : (this.#methods.length * POINTER_SIZE);
|
||||
out += assertSize(this.#getName(), size, isSizeDefined);
|
||||
if (this.#size !== null) {
|
||||
out += assertSize(this.#getName(), this.#size);
|
||||
}
|
||||
|
||||
// Pointers
|
||||
if (this.#address !== null) {
|
||||
// Base
|
||||
out += `extern ${this.#getName()} *${this.#getName()}_base;\n`;
|
||||
// Methods
|
||||
for (let i = 0; i < this.#methods.length; i++) {
|
||||
const info = this.#methods[i];
|
||||
for (let i = 0; i < methods.length; i++) {
|
||||
const info = methods[i];
|
||||
if (info) {
|
||||
const type = `${info.getType()} *`;
|
||||
out += `extern ${type}${info.getName()}_vtable_addr;\n`;
|
||||
@ -133,7 +137,7 @@ export class VTable implements Property {
|
||||
}
|
||||
|
||||
// Duplication Method
|
||||
if (isSizeDefined) {
|
||||
if (this.#size !== null) {
|
||||
out += `${this.#getName()} *dup_${this.#getName()}(${this.#getName()} *vtable);\n`;
|
||||
}
|
||||
|
||||
@ -155,8 +159,9 @@ export class VTable implements Property {
|
||||
init += `${INDENT}${this.#getName()}_base = (${this.#getName()} *) ${toHex(this.#address)};\n`;
|
||||
declarations += `${this.#getName()} *${this.#getName()}_base;\n`;
|
||||
// Methods
|
||||
for (let i = 0; i < this.#methods.length; i++) {
|
||||
const info = this.#methods[i];
|
||||
const methods = this.getMethods();
|
||||
for (let i = 0; i < methods.length; i++) {
|
||||
const info = methods[i];
|
||||
if (info) {
|
||||
const vtableAddress = this.#address + (i * POINTER_SIZE);
|
||||
const type = `${info.getType()} *`;
|
||||
@ -169,7 +174,7 @@ export class VTable implements Property {
|
||||
}
|
||||
|
||||
// Duplication Method
|
||||
if (this.#size.isExact()) {
|
||||
if (this.#size !== null) {
|
||||
declarations += `${this.#getName()} *dup_${this.#getName()}(${this.#getName()} *vtable) {\n`;
|
||||
declarations += `${INDENT}uchar *real_vtable = (uchar *) vtable;\n`;
|
||||
declarations += `${INDENT}real_vtable -= ${RTTI_SIZE};\n`;
|
||||
|
||||
@ -15,7 +15,7 @@ color red "^(vtable(-size|-destructor-offset))? .+$"
|
||||
color normal "(\(|\))"
|
||||
|
||||
# Commands
|
||||
color magenta "^(extends|size|vtable(-size|-destructor-offset)?|property|static-property(-array)?|((static|virtual)-)?method|constructor)\>"
|
||||
color magenta "^(extends|size|vtable(-size|-destructor-offset)?|property|static-property|((static|virtual)-)?method|constructor)\>"
|
||||
|
||||
# Types
|
||||
color green "\<((u?(char|short|int))|float|bool|void|std::(string|vector|map))\>"
|
||||
|
||||
@ -8,7 +8,6 @@
|
||||
<item>vtable</item>
|
||||
<item>property</item>
|
||||
<item>static-property</item>
|
||||
<item>static-property-array</item>
|
||||
<item>method</item>
|
||||
<item>virtual-method</item>
|
||||
<item>static-method</item>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user